Digi XBee 3 Cellular LTE-M, User Manual, Page: 25 / 331

Get started with the XBee Smart Modem Check for cellular registration and connection
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide 25
European customers
Note Some carriers require an APN. If the carrier does not require an APN, you should not change the
APN from the default
1. Launch XCTU .
2. Click the
Configuration working modes button .
3. Select an XBee module from the Radio Modules list.
4. Set the APN using the AN command. You should get the APN from your carrier when you
purchased your SIM card. See Determine cellular service and acquire a SIM card .
To set the APN, in the AN field, type the APN value from your carrier and click the Write button
.
5. Set the N# parameter to 3. In the N# field, select NB-IoT Only [3] and click the Write button
.
6. Enable the bands. The bands are specified as a bit mask given as a hexadecimal value.
To enable bands 8 and 20, in the BN field, enter 80080 and click the Write button .
7. To set the CP , in the CP field, select No Profile (1) and click the Write button .
8. Reset the module with either the reset button or issue the FR command .
9. Wait for a connection. You may wait for up to 5-6 minutes.
n
If you have a connection : This process is complete. The LED on the development board
blinks when the XBee is registered to the cellular network. See Check for cellular
registration and connection .
n
If you do not have a connection : If the LED remains solid, registration has not
occurred properly.
a. Repeat steps 1-5 to make sure you have correctly configured NB-IoT.
b. If you still do not have a connection, contact your carrier to confirm that the carrier
has correctly configured the service.
l
If the carrier makes a change to the service, reset the module and wait 5-6
minutes.
l
If the carrier does not make a change to the service, then contact Digi support.
Check for cellular registration and connection
The cellular network registration and address assignment must occur successfully. To verify the
network connection, you can view the LED on the development board or check the status of the
relevant commands in XCTU.
Registration typically takes 5 - 6 minutes the first time a device is connected to the network.
Before you begin